Improvement in wash-boilers



F. A. HOVEY.

Improvement in Wash Boiiers.

No'I 123,698. Paxentedfeb.\3, 1872.

a .MWJ I la L7M j wf@ PATENT OEEIcE.

FREDERICK A. HOVEY, OF HUDSON, NEW YORK.

IMPROVEMENT IN WASH-BOILERS.

Specification forming part of Letters Patent No. 123,698, dated February13, 1872.

which will be fully described hereinafter.

In the drawing, Figure l represents a longitudinal sectional view; Fig.2, a perspective view of my improved boiler; and Fig. 3 is a top View ofa portion of the hoop C.

To enable others skilled in the art to make and use my invention, I willnow proceed to describe fully its construction and operation.

A represents the washboiler proper, which is preferably constructed inthe usual wellknown manner. B represents a diverging ilange, attached tothe boiler A a little below its upper edge, and extending some distanceabove it, as shown. a a represent discharge holes, preferably located atthe angle formed by the union of the flange B and the boiler, but whichmay, if desired, be located at the bottom of a pipe communicatingwiththe space in the boiler below the detachable hoop C, as shown in Fig. lin dotted line. C represents a detachable hoop placed in the boiler atright angles thereto, at a point preferably below the discharge-holes@,as shown in Fig. l. This hoop serves to break the force of the wateras it rises to boil over. The manner of using my boiler is the same asthat of using the ordinary kind.

The operation is somewhat as follows: When the water, becomingthoroughly heated, rises l to boil over, its upward movement is checkedto some extent by the hoop C, which has a tendency to throw the watertoward the center, by means of which movement it is caused to comethoroughly in contact with the air, by which it is cooled, and theboiling is thereby checked. If it should chance to rise higher, however,and pass over the upper edge of the boiler, the water is caught by theflangel B and returned to the boiler through the discharge-openings. Thespace between the flange B and the boiler is entirely exposed to theopen air, so that when the contents of the boiler ndtheir way thereto,they quickly lose their heat and are returned to the interior of theboiler, where they, of course, cool more or less the entire quantity.

The described boiler has been found exceedingly effective in practicefor the purposes for which it is designed. Any ordinary boiler may bequickly altered over to the improved form.

I do not claim, broadly, a boiler provided with a ange extending aboveits edge; but

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

In combination with the boiler A, provided with the iiange B anddischarge holes or pipes a, I claim the hoop C, constructed asdescribed.

This specification signed and witnessed this 3d day of January, 1872.

Witnesses: FREDERICK A. HOVEY.

' WM. H. ATWooD, EsDEAs SHEAR.

